Home / 134,335.82-185,383.42-73,905.16

Finding the Fourth Proportional to 134,335.82, 185,383.42 and 73,905.16

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Solution

The fourth proportional to 134,335.82, 185,383.42 and 73,905.16 is: 101,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,335.82 : 185,383.42 = 73,905.16 : x
  2. Step 2: Convert to fraction form
    134,335.82/185,383.42 = 73,905.16/x
  3. Step 3: Cross multiply
    134,335.82x = 185,383.42 × 73,905.16
  4. Step 4: Simplify right side
    134,335.82x = 13,700,791,316.45
  5. Step 5: Solve for x
    x = 13,700,791,316.45/134,335.82
  6. Step 6: Final answer
    x = 101,989.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.